245245161 has 8 divisors (see below), whose sum is σ = 373706944. Its totient is φ = 140140080.

The previous prime is 245245153. The next prime is 245245183. The reversal of 245245161 is 161542542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245245161 - 2³ = 245245153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245245261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839150 + ... + 5839191.

It is an arithmetic number, because the mean of its divisors is an integer number (46713368).

Almost surely, 2^245245161 is an apocalyptic number.

245245161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245245161 is a deficient number, since it is larger than the sum of its proper divisors (128461783).

245245161 is a wasteful number, since it uses less digits than its factorization.

245245161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678351.

The product of its digits is 9600, while the sum is 30.

The square root of 245245161 is about 15660.3052652239. The cubic root of 245245161 is about 625.9411195458.

The spelling of 245245161 in words is "two hundred forty-five million, two hundred forty-five thousand, one hundred sixty-one".